Larry J. Franco
Norwegian Passenger with Rifle
Norbert Weisser
Norwegian
Kurt Russell
MacReady
Wilford Brimley
Blair
John Carpenter
Norwegian (video footage) (uncredited)
Adrienne Barbeau
Computer (voice) (uncredited)
T.K. Carter
Nauls
David Clennon
Palmer
Richard Dysart
Dr. Copper
Charles Hallahan
Norris
Peter Maloney
Bennings
Richard Masur
Clark
Donald Moffat
Garry
Joel Polis
Fuchs
Thomas G. Waites
Windows
Keith David
Childs
Jed
The Dog (uncredited)